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8-Anilino-1-naphthalenesulfonic acid ammonium salt

SIAL/10416 - technical, ≥90% (NT)

Synonym: 1,8-ANS NH4; ANSA; Ammonium 8-anilino-1-naphthalenesulfonate; N-Phenyl peri acid

CAS Number: 28836-03-5
Empirical Formula (Hill Notation): C16H16N2O3S
Molecular Weight: 316.37
EC Number: 249-265-6
MDL Number: MFCD00012560
Linear Formula: C16H13NO3S · NH3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-10416-100G-F 100 g
 $166.00
1/EA		 Add To Favorites
45-10416-500G-F 500 g
 $562.00
1/EA		 Add To Favorites

 

assay ≥90% (NT)
color , Green to Dark Green and Grey to Dark Grey and Green-Grey
fluorescence λex 388 nm; λem 470 nm in 0.1 M Tris, 0.2 M KCl, pH 9.0, BSA
form powder
grade technical
InChI 1S/C16H13NO3S.H3N/c18-21(19,20)15-11-5-7-12-6-4-10-14(16(12)15)17-13-8-2-1-3-9-13;/h1-11,17H,(H,18,19,20);1H3
InChI key IPBNQYLKHUNLQE-UHFFFAOYSA-N
Quality Level 200 
SMILES string N.OS(=O)(=O)c1cccc2cccc(Nc3ccccc3)c12
solubility H2O: soluble
  methanol: soluble
  NaOH: 1 N
Application: ANS forms an inclusion complex with cyclodextrin. Such model systems are useful to mimic biological recognition and can be studied by measuring the change in fluorescence of free-ANS to complexed-ANS. When ANS enters the hydrophobic core of cyclodestrin, it’s fluorescence increases . Utilized in the reagent phase of a sodium-selective fiber-optic sensor. The reagent phase also contains a copper(II) polyelectrolyte, which binds to ANSA in the absence of sodium and quenches the fluorescence. In the presence of sodium, ANSA forms a cationic complex creating ion-pairs, causing it to fluoresce . ANS is often incorporated into di-block polymers and can be released by changes in the local environment (i.e., temperature, pH, etc.) . ANS is commonly used as a fluorescence probe to investigate molecular assemblies of surfactants and amphiphilic polymers because a blue shift of the emission maximum indicates the fluorophore is located in less polar media . Fluorescent probe for protein studies using methodologies such as steady-state and dynamic fluorescence measurements .
Application: Fluorescent probe for protein studies.
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥90% (NT)
UNSPSC 12352106

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